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《Journal of Chongqing Jiaotong University(Natural Science)》 2010-04
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Characteristic Analysis of the Damaged Retaining Wall in Wenchuan Earthquake

QIU Yan-ling1,YAO Ling-kan1,2,QIN Wei1 (1.School of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,Sichuan,China;2.Road and Railway Engineering Research Institute,Sichuan Key Laboratory of Seismic Engineering and Technology,Chengdu 610031,Sichuan,China)  
Almost 20-km retaining wall along G213 Highway(Maanshi tunnel to Yingxiu section,more than 30km) was investigated.The results were as follows: debris of the retaining wall were scattered in the region with seismic intensity of 9 degree and partial destruction could be seen at 10 degree;seismic intensity and material of walls were fundamental factors for seismic damage,height of walls and route direction also exerted influence on seismic damage;retaining walls on rock were mainly inclined while retaining walls on soil had both inclining and sliding deformation;the average vertical maximum deformation part was as high as about 50% of retaining wall.Based on the analysis above and numerical simulation approach,some countermeasures in retaining wall seismic design were proposed.
【Fund】: 铁道部科技研究开发计划项目(2008G010-A);; 国家重点基础研究发展计划项目(973计划2008CB425802)
【CateGory Index】: U417.11
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